A branch falls from a tree. How fast is the branch moving after 0.28 seconds?
A. 2.7 m/s
B. 4...
Physics, 13.06.2021 04:20 luhhbitilia566
A branch falls from a tree. How fast is the branch moving after 0.28 seconds?
A. 2.7 m/s
B. 4.4 m/s
C. 3.1 m/s
D. 1.3 m/s
PLEASE HELP
Answers: 2
Physics, 22.06.2019 12:30, mommer2019
Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?
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